| article html file updated | 19 August 2015 21:57 CEST | Update | https://www.mdpi.com/1996-1944/7/3/1520 |
| article html file updated | 3 June 2014 14:35 CEST | Original file | N/A |
| article xml file uploaded | 3 June 2014 14:35 CEST | Original file | https://www.mdpi.com/1996-1944/7/3/1520/xml |
| article pdf uploaded. | 27 February 2014 10:58 CET | Version of Record | https://www.mdpi.com/1996-1944/7/3/1520/pdf |
